Answer:
Yes.
Step-by-step explanation:
What is a rational number?
A whole number, fraction, terminating or recurring decimal.
42.9 = 429/10 which is a fraction.
So it's rational.
12 / 27 = 4/h Cross multiply
12h = 27 * 4 Notice top and bottom is equated to top and bottom of the two you have not yet used.
12h = 108 Divide by 12
h = 108 / 12
h = 9
C <<<<<-===== answer.
Find one percent by dividing it by 100, then multiply it by 114 and theres your answer.
First lets subract 1.2 from each side to get
2.3x+2.5x=8-4.3x
Then Combine like terms to get
4.8x+8-4.3x
Then add 4.3 to each side
9.1x=8
x equals about 0.88